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FileForge

Merge PDF Files

Browser processing — files never leave your device

Combine two or more PDF files into a single document. Drag files to set the order — merging happens locally, so contracts and reports never leave your device.

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How to use this tool

  1. Add the PDF files you want to combine.
  2. Drag the filenames into the order the documents should appear.
  3. Remove any file you don't need with the × button.
  4. Click Merge PDFs and download the combined file.

About this tool

Merging copies every page from your PDFs into a new document in the order you choose, without re-rendering pages — text stays selectable and quality is untouched. Because the work is done by an open-source PDF library running in your browser, there is no upload step, no queue and no file retention: closing the tab removes everything.

Frequently asked questions

Does merging reduce PDF quality?
No. Pages are copied, not re-rendered — text remains selectable and images keep their original resolution.
Can I reorder the files before merging?
Yes. Drag entries in the file list; the merged PDF follows that exact order.
Can password-protected PDFs be merged?
Encrypted PDFs cannot be read without their password, so they can't be merged here. Remove the protection in the application that created the file first.
Are my documents stored anywhere?
No. Merging happens in your browser's memory. Nothing is uploaded, and nothing persists after you leave the page.

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